diff --git a/ChangeLog b/ChangeLog
index 472e8cdc..8593a681 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,7 @@
 2016-02-22  Benno Schulenberg  <bensberg@justemail.net>
 	* src/nano.c (free_openfilestruct): Elide this function.
 	* scr/global.c (thanks_for_all_the_fish, free_list_item): Condense.
+	* src/winio.c (edit_scroll): The amount to scroll is never zero.
 
 2016-02-21  Benno Schulenberg  <bensberg@justemail.net>
 	* src/files.c (input_tab): If the first Tab added the part that all
diff --git a/src/winio.c b/src/winio.c
index b0ce93ba..ce3c522e 100644
--- a/src/winio.c
+++ b/src/winio.c
@@ -2848,9 +2848,7 @@ void edit_scroll(scroll_dir direction, ssize_t nlines)
     filestruct *foo;
     bool do_redraw = need_screen_update(0);
 
-    /* Don't bother scrolling less than one line. */
-    if (nlines < 1)
-	return;
+    assert(nlines > 0);
 
     /* Part 1: nlines is the number of lines we're going to scroll the
      * text of the edit window. */